The invention provides a VR (Virtual Reality) equipment delay test device based on an optical flow camera, which is used for measuring the delay time between user action input and the display screen switching. The device comprises an optical flow camera module, a motorized turntable, a central processing module, a display module and VR glasses; the optical flow camera module is used for acquiringdisplacement information of a display picture of the VR glasses; the motorized turntable is used for simulating user action output; and the central processing module determines the delay time according to the displacement information and swing information of the turntable, and the display module displays the final delay result. The VR equipment delay test device based on the optical flow camera provided by the invention is characterized in that displacement is measured by utilizing the optical flow camera, and the delay time of the VR glasses is obtained according to a delay time calculation algorithm; and besides, the device can be used for the delay test of VR products.